Top 100 Fintech Software Development Companies
The Best of December 2025Looking for a top fintech custom software developer?
Software developers own the process of transforming data into an organized structure for a product such as a mobile app or website. As you tackle complex development projects to grow your business, you'll need the right partner for your needs.
Check out our directory of Fintech software development companies. Browse reviews and ratings and scan by industry or specialty to find the company that's the best fit for you.
List of the Best Financial Services Custom Software Developers
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
Industries
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
Industries
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91$25,000+1,000 - 9,999 employeesKraków, PolandRead More
Ailleron S.A., a digital strategy company, is in Kraków, Poland. The midsize firm was established in 2014. Their team focuses on digital strategy, enterprise app modernization, mobile app development, custom software development, and more.
Industries
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92$25,000+50 - 249 employeesKraków, PolandRead More
Based in Kraków, Poland and Dnipro, Ukraine, DBB Software is a custom software development company. The midsize team provides Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more. The company was established in 2015.
Clients
JLL Akamai DispatchHealth DoctifyIndustries
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93$25,000+50 - 249 employeesLehi, UTTech9 is a midsize custom software development firm. The Lehi, Utah-based company was launched in 2015. Their team offers Custom Software Development, UX/UI Design, Mobile App Development, and Enterprise App Modernization.Read More
Clients
Larry H. Miller GroupIndustries
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94$1,000+10 - 49 employeesDenver, COPell Software is a software development firm. The Denver, Colorado-based company was launched in 2019. The small team offers Custom Software Development, Enterprise App Modernization, API Development, and Web Design.Read More
Clients
Aegion / Underground SolutionsIndustries
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95$25,000+50 - 249 employeesSunny Isles Beach, FLVelvetech LLC is a midsize software development company. The Sunny Isles Beach, Florida-based company was established in 2004. Their services include Custom Software Development, CRM consulting and SI, Mobile App Development, Web Development, and more.Read More
Clients
Apache CorporationIndustries
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96$10,000+250 - 999 employeesSofia, BulgariaRead More
Accedia is a Sofia, Bulgaria-based software development firm. They specialize in Custom Software Development, Web Development, Artificial Intelligence, Cybersecurity, and more and were launched in 2012.
Clients
Alexander ForbesIndustries
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97$25,000+10 - 49 employeesSolana Beach, CAAsymm is a custom software development firm launched in 2020. Their small team is in Solana Beach, California and Ciudad de México, Mexico and focuses on Custom Software Development and UX/UI Design.Read More
Industries
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98$1,000+50 - 249 employeesAhmedabad, IndiaFxis.ai is an AI firm. Their midsize team is in Ahmedabad, India and Newark, Delaware. The agency offers Artificial Intelligence and Custom Software Development.Read More
Clients
Assam GovernmentIndustries
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99$10,000+50 - 249 employeesBratislava, SlovakiaRare Crew, a software development company, is headquartered in Bratislava, Slovakia; Los Angeles, California; Beograd, Serbia and London, England. The company provides Custom Software Development, BI & big data consulting & SI, and Mobile App Development and has a midsize team.The company was founded in 2011.Read More
Clients
IMG AcademyIndustries
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100$5,000+250 - 999 employeesGdańsk, PolandRead More
Solwit SA is a custom software development firm based in Gdańsk, Poland. Founded in 201, their team of 500 serves clients in the IT, Financial services and utilities sectors. Services include NodeJS, AngularJS, and .NET development.
Industries
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101$10,000+50 - 249 employeesAustin, TXSalt Technologies, a software development company, was established in 2012. The midsize Pimpri-Chinchwad, India-based team offers Custom Software Development, Web Development, Cybersecurity, E-Commerce Development, and more.Read More
Clients
Cuelogic TechnologiesIndustries
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102$25,000+250 - 999 employeesPleasanton, CAAltoros is a midsize Blockchain company. Founded in 2001, the firm is based in Pleasanton, California; Buenos Aires, Argentina; Oslo, Norway and Helsinki, Finland. Their team offers Blockchain, Custom Software Development, Web Development, Enterprise App Modernization, and more.Read More
Clients
AllstateIndustries
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103$10,000+50 - 249 employeesWrocław, PolandRead More
IntexSoft is a software development company in Wroclaw, Poland. Founded in 2001, they have 350+ employees who serve clients in the eCommerce, telecom, HR, logistics, banking, and enterprise sectors. Services include business analysis, UX/UI design, mobile development, web software development, QA and testing, DevOps, application modernization, and managed IT services.
Clients
T-SystemsIndustries
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104$25,000+50 - 249 employeesFort Lee, NJRead More
Langate Software is a midsize software development firm. The Fort Lee, New Jersey-based company was launched in 2001. Their services include Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more.
Clients
Approved Admissions rater8 Bunddler Accessing Patient Data Through Smart GlassesIndustries
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105$25,000+1,000 - 9,999 employeesLondon, EnglandItransition, a software development company, was founded in 1998. They are headquartered in Denver, Colorado; London, England; Vilnius, Lithuania and Warszawa, Poland and have a large team. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, ERP consulting and SI, and more.Read More
Clients
ExpediaIndustries
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106$25,000+50 - 249 employeesL'viv, UkraineRead More
DotCode is a design and development company based in Lviv, Ukraine, and founded in 2018. Their team of more than 10 provides web development, web design, and e-commerce development solutions for clients in the fields of hospitality, advertising, and financial services.
Clients
Ply LCM Digital Fly Jets ThriveIndustries
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107$25,000+50 - 249 employeesNew Delhi, IndiaRead More
Software development firm Mind IT Systems was founded in 2014. The firm specializes in Custom Software Development, IT staff augmentation, Mobile App Development, and Artificial Intelligence and has a midsize team. The firm is in New Delhi, India; Stamford, Connecticut and Kolkata, India.
Clients
MYND Integrated Solution, India Elanco India Taiba Hospital, Kuwait Niyo (https://goniyo.com/), IndiaIndustries
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108$10,000+50 - 249 employeesSarajevo, Bosnia and HerzegovinaRead More
Ministry of Programming is a custom software development company. They specialize in custom software development, web development, mobile app development, ux/ui design, and more and were launched in 2015. The agency is in Sarajevo, Bosnia and Herzegovina and Srtockholm, Sweden.
Industries
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109$10,000+10 - 49 employeesOrlando, FLRead More
XeoDev is full-service agency based in Orlando, Fla. with fewer than 5 employees. XeoDev was founded in 2015 and services startups or businesses with ambitious growth models. XeoDev seeks to provide custom software development, web development, and app development for companies seeking long-term partnerships.
Clients
College Fit FinderIndustries
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110$25,000+10 - 49 employeesWarszawa, PolandCustom software development company Smartym Pro is headquartered in Warszawa, Poland; London , England and Frankfurt am Main, Germany. The small team provides Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more. The company was launched in 2012.Read More
Clients
HeinekenIndustries
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111$1,000+1,000 - 9,999 employeesLondon, EnglandRead More
Dotsquares is an IT managed services company in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The firm specializes in IT managed services, Web Development, Custom Software Development, Mobile App Development, and more and has a large team.The firm was founded in 2002.
Clients
EricssonIndustries
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112$50,000+50 - 249 employeesL'viv, UkraineWebsite development firm Kindgeek was established in 2013. The firm focuses on Web Development, Mobile App Development, and Custom Software Development and has a midsize team.Read More
Clients
University of BaselIndustries
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113$10,000+1,000 - 9,999 employeesBucurești, RomaniaRead More
Tremend Software Consulting is a software engineering company in Bucharest, Romania; Aliso Viejo, Calif.; and Brasov, Romania. Founded in 2005, they have about 337 employees that serve mostly midmarket and small-business clients in the financial, IT, and telecommunications sectors. Services include IT managed services, custom software development, and e-commerce development.
Clients
OrangeIndustries
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114$50,000+10 - 49 employeesAustin, TXRead More
Eureka is a custom software and technology engineering firm based in Austin, Texas. Founded in 1986, Eureka's has about 20 employees that primarily focus on midmarket businesses in the telecommunications sector. Services include custom software, mobile app development, and UX/UI design.
Clients
Apple Dell Samsung DropboxIndustries
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115$10,000+50 - 249 employeesSan Francisco, CARead More
AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development.
Clients
HPIndustries
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116$50,000+50 - 249 employeesMontevideo, UruguayRead More
Loop Studio is a software development services provider located in Montevideo, Uruguay. It was founded in 2014 and now has a team of more than 24 employees. Loop Studio specializes in web development and also provides custom software development, mobile app development, application management. support and more to primarily small businesses.
Clients
Looking Glass Cyber mParticle Kalibri Labs Stacker GroupIndustries
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117$5,000+50 - 249 employeesAhmedabad, IndiaSoftware development firm Shaligram Infotech is headquartered in Ahmedabad, India; London, England; Brisbane City, Australia and Frisco, Texas. Founded in 2015, the midsize team offers Custom Software Development, Web Development, CRM consulting and SI, and Artificial Intelligence.Read More
Industries
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118$25,000+250 - 999 employeesReston, VARead More
Modus Create is a consulting firm based in Reston, Va. that helps predominately enterprises and mid-market businesses transform for success in the digital future. Founded in 2011, they currently have about 164 employees located in Cluj-Napoca, Romania, Santa Ana, Costa Rica, and Los Angeles who provide time zone-aligned services to their clients. In addition to custom software and web development, they affect change through a collaborative engagement model that focuses on strategy, product design and build, UX, company culture, and process change.
Clients
AudiIndustries
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119$50,000+250 - 999 employeesWrocław, PolandCSHARK is a software development company. The midsize Wrocław, Poland-based company was established in 2014. Their services include Custom Software Development, Enterprise App Modernization, and UX/UI Design.Read More
Clients
Fenergo (Fintech)Industries
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120$50,000+50 - 249 employeesToronto, CanadaRead More
Euristiq is a software development company. Established in 2016, the firm is located in Toronto, Canada; L'viv, Ukraine and Warszawa, Poland. The midsize team focuses on Custom Software Development, Artificial Intelligence, Web Development, and IoT development.
Clients
GEN Digital Canada Ryanair Bell Canada PhilipsIndustries
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